Home / 3,600.37-5,398.53-1,520.02

Finding the Fourth Proportional to 3,600.37, 5,398.53 and 1,520.02

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Solution

The fourth proportional to 3,600.37, 5,398.53 and 1,520.02 is: 2,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.37 : 5,398.53 = 1,520.02 : x
  2. Step 2: Convert to fraction form
    3,600.37/5,398.53 = 1,520.02/x
  3. Step 3: Cross multiply
    3,600.37x = 5,398.53 × 1,520.02
  4. Step 4: Simplify right side
    3,600.37x = 8,205,873.57
  5. Step 5: Solve for x
    x = 8,205,873.57/3,600.37
  6. Step 6: Final answer
    x = 2,279.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.